IMS CONVEX – B70 FILTER BASKETS
Competition Series
IMS CONVEX – B70
Cylindrical filter with a unique convex bottom. This geometry is designed to collect the coffee towards the center during extraction, creating a shape that perfectly matches bottomless portafilters for an even, visual-pleasing espresso flow.
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SKU (Double):
B702TCH20E B702TCH22E B702TCH24E B702TCH26E B702TCH28.5E - Border: Ø 70 mm (B70)
- Height: 20 / 22 / 24 / 26 / 28.5 mm
- Tamper Compatibility: Ø 58 / 58.4 mm
- Ridge: Ridgeless
Capacity & Heights Comparison
| Code | Height | Dark Roasted | Medium Roasted | Light Roasted |
|---|---|---|---|---|
| B702TCH20E | 20 mm | 10/12 gr | 11/13 gr | 14/17 gr |
| B702TCH22E | 22 mm | 12/14 gr | 13/15 gr | 16/19 gr |
| B702TCH24E | 24 mm | 14/16 gr | 15/17 gr | 18/21 gr |
| B702TCH26E | 26 mm | 17/19 gr | 18.5/21 gr | 20.5/23 gr |
| B702TCH28.5E | 28.5 mm | 19/22 gr | 22/25 gr | 23/27 gr |
Testing Disclaimer: All tests about the capacity of the filters were made using: Dark roasted (80/20 blend), Medium roasted (100% Arabica), Light roasted (Ethiopia single origin).
Perforation Technology
- Hole Pattern: 715 holes in hexagonal pattern.
- Perforated Area: Ø 49 mm area optimized for convex shape.
- Hole Diameter: 0.30 mm.
- Competition Perforation: Patented relaminated and recalibrated process.
Finishing & Hygiene
- Electropolishing: High-grade sanitary smooth surface.
- Tumbling: Wet vibrofinishing with ceramic inserts.
- Pickling: Passivation for maximum material integrity.
- Drying: Processed with natural corncob.